The latest officially reported population of the Congo was 6,484,437 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 3,630,744 in Mongolia.
Population statistics:
- The Congo's population is 1.85 times bigger than Mongolia's.
- The Congo is ranked the 109th most populous country in the world, while Mongolia is the 132nd.
- The countries together account for 0.12% of the world: 0.08% for the Congo vs 0.04% for Mongolia.
- For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +1.71% in Mongolia.
- Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).
Congo vs Mongolia: population by year and forecast
| Year | Population | |
|---|---|---|
Congo
|
Mongolia
|
|
| 2100 | 20,194,267 | 5,630,532 |
| 2099 | 20,053,234 | 5,624,298 |
| 2098 | 19,906,909 | 5,616,442 |
| 2097 | 19,760,110 | 5,607,739 |
| 2096 | 19,610,521 | 5,598,366 |
| 2095 | 19,459,493 | 5,587,141 |
| 2094 | 19,306,835 | 5,575,743 |
| 2093 | 19,151,289 | 5,563,600 |
| 2092 | 18,990,577 | 5,550,506 |
| 2091 | 18,828,222 | 5,537,031 |
| 2090 | 18,663,146 | 5,522,419 |
| 2089 | 18,497,842 | 5,507,083 |
| 2088 | 18,325,571 | 5,491,226 |
| 2087 | 18,153,731 | 5,475,425 |
| 2086 | 17,979,773 | 5,459,661 |
| 2085 | 17,807,843 | 5,442,388 |
| 2084 | 17,631,386 | 5,424,928 |
| 2083 | 17,453,221 | 5,406,747 |
| 2082 | 17,270,773 | 5,388,623 |
| 2081 | 17,093,270 | 5,369,593 |
| 2080 | 16,910,570 | 5,349,817 |
| 2079 | 16,728,955 | 5,329,240 |
| 2078 | 16,542,829 | 5,307,283 |
| 2077 | 16,357,926 | 5,286,383 |
| 2076 | 16,173,005 | 5,264,220 |
| 2075 | 15,981,904 | 5,241,700 |
| 2074 | 15,791,626 | 5,218,897 |
| 2073 | 15,597,321 | 5,195,622 |
| 2072 | 15,402,110 | 5,172,532 |
| 2071 | 15,205,567 | 5,149,066 |
| 2070 | 15,009,147 | 5,124,853 |
| 2069 | 14,808,250 | 5,101,195 |
| 2068 | 14,609,790 | 5,077,035 |
| 2067 | 14,412,802 | 5,052,818 |
| 2066 | 14,211,022 | 5,027,552 |
| 2065 | 14,010,661 | 5,002,655 |
| 2064 | 13,810,933 | 4,978,185 |
| 2063 | 13,609,626 | 4,953,806 |
| 2062 | 13,405,080 | 4,929,364 |
| 2061 | 13,204,362 | 4,904,690 |
| 2060 | 13,004,957 | 4,878,877 |
| 2059 | 12,806,162 | 4,852,963 |
| 2058 | 12,609,233 | 4,826,761 |
| 2057 | 12,413,395 | 4,799,120 |
| 2056 | 12,217,406 | 4,771,151 |
| 2055 | 12,022,740 | 4,742,184 |
| 2054 | 11,824,813 | 4,711,735 |
| 2053 | 11,627,983 | 4,679,745 |
| 2052 | 11,431,875 | 4,646,658 |
| 2051 | 11,235,188 | 4,612,090 |
| 2050 | 11,039,311 | 4,576,701 |
| 2049 | 10,844,973 | 4,539,215 |
| 2048 | 10,650,230 | 4,500,638 |
| 2047 | 10,453,401 | 4,460,511 |
| 2046 | 10,258,550 | 4,419,188 |
| 2045 | 10,063,886 | 4,376,222 |
| 2044 | 9,871,213 | 4,333,010 |
| 2043 | 9,676,000 | 4,289,776 |
| 2042 | 9,482,485 | 4,245,757 |
| 2041 | 9,287,235 | 4,201,838 |
| 2040 | 9,096,577 | 4,158,320 |
| 2039 | 8,907,177 | 4,115,023 |
| 2038 | 8,719,250 | 4,072,646 |
| 2037 | 8,532,935 | 4,030,644 |
| 2036 | 8,348,719 | 3,989,867 |
| 2035 | 8,166,676 | 3,950,239 |
| 2034 | 7,985,679 | 3,911,316 |
| 2033 | 7,805,748 | 3,873,353 |
| 2032 | 7,628,440 | 3,836,311 |
| 2031 | 7,453,476 | 3,800,027 |
| 2030 | 7,284,111 | 3,763,374 |
| 2029 | 7,117,929 | 3,726,490 |
| 2028 | 6,955,268 | 3,688,767 |
| 2027 | 6,794,778 | 3,650,012 |
| 2026 | 6,638,532 | 3,610,395 |
| 2025 | 6,484,437 | 3,568,978 |
| 2024 | 6,332,961 | 3,524,788 |
| 2023 | 6,182,885 | 3,481,145 |
| 2022 | 6,035,104 | 3,433,748 |
| 2021 | 5,892,183 | 3,383,741 |
| 2020 | 5,752,791 | 3,327,204 |
| 2019 | 5,616,661 | 3,267,673 |
| 2018 | 5,483,118 | 3,208,189 |
| 2017 | 5,351,011 | 3,148,917 |
| 2016 | 5,222,536 | 3,088,856 |
| 2015 | 5,097,581 | 3,026,864 |
| 2014 | 4,975,880 | 2,963,113 |
| 2013 | 4,857,099 | 2,899,011 |
| 2012 | 4,740,450 | 2,839,705 |
| 2011 | 4,609,724 | 2,786,317 |
| 2010 | 4,462,290 | 2,738,622 |
| 2009 | 4,281,219 | 2,691,115 |
| 2008 | 4,113,517 | 2,643,201 |
| 2007 | 3,980,430 | 2,601,850 |
| 2006 | 3,837,409 | 2,567,168 |
| 2005 | 3,696,393 | 2,536,407 |
| 2004 | 3,565,554 | 2,508,412 |
| 2003 | 3,445,753 | 2,480,374 |
| 2002 | 3,350,771 | 2,449,027 |
| 2001 | 3,272,537 | 2,417,751 |
| 2000 | 3,151,345 | 2,388,299 |
| 1999 | 3,032,874 | 2,356,813 |
| 1998 | 2,952,061 | 2,323,809 |
| 1997 | 2,887,862 | 2,291,750 |
| 1996 | 2,826,785 | 2,259,507 |
| 1995 | 2,749,461 | 2,224,945 |
| 1994 | 2,673,144 | 2,189,395 |
| 1993 | 2,595,124 | 2,165,130 |
| 1992 | 2,519,465 | 2,167,790 |
| 1991 | 2,449,229 | 2,165,342 |
| 1990 | 2,380,560 | 2,098,710 |
| 1989 | 2,313,558 | 2,124,185 |
| 1988 | 2,247,653 | 2,076,322 |
| 1987 | 2,183,473 | 2,022,800 |
| 1986 | 2,120,602 | 1,970,965 |
| 1985 | 2,059,311 | 1,921,514 |
| 1984 | 1,999,528 | 1,874,349 |
| 1983 | 1,950,321 | 1,829,092 |
| 1982 | 1,910,430 | 1,785,364 |
| 1981 | 1,869,759 | 1,742,857 |
| 1980 | 1,828,985 | 1,701,335 |
| 1979 | 1,788,524 | 1,660,659 |
| 1978 | 1,748,089 | 1,619,468 |
| 1977 | 1,707,568 | 1,576,245 |
| 1976 | 1,667,225 | 1,531,945 |
| 1975 | 1,627,032 | 1,488,296 |
| 1974 | 1,582,301 | 1,446,050 |
| 1973 | 1,533,680 | 1,405,502 |
| 1972 | 1,486,468 | 1,366,821 |
| 1971 | 1,441,039 | 1,330,071 |
| 1970 | 1,397,638 | 1,295,272 |
| 1969 | 1,356,182 | 1,262,284 |
| 1968 | 1,316,519 | 1,229,930 |
| 1967 | 1,278,691 | 1,196,996 |
| 1966 | 1,242,534 | 1,163,754 |
| 1965 | 1,207,880 | 1,131,177 |
| 1964 | 1,174,816 | 1,100,234 |
| 1963 | 1,143,263 | 1,071,362 |
| 1962 | 1,113,175 | 1,041,444 |
| 1961 | 1,084,389 | 1,009,284 |
| 1960 | 1,056,732 | 977,595 |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/congo/mongolia | CC BY 
From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Mongolia gained 521,688 people (a 20.3% growth).
For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).
The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) the Congo's population will grow by 64.3% to 11,039,311 people with a rank change from 109th to 95th. The population of Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.
The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 5.63M people in 2100 for Mongolia.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Congo
|
Mongolia
|
|
| 2100 | 0.7% | 0.11% |
| 2099 | 0.74% | 0.14% |
| 2098 | 0.74% | 0.16% |
| 2097 | 0.76% | 0.17% |
| 2096 | 0.78% | 0.2% |
| 2095 | 0.79% | 0.2% |
| 2094 | 0.81% | 0.22% |
| 2093 | 0.85% | 0.24% |
| 2092 | 0.86% | 0.24% |
| 2091 | 0.88% | 0.26% |
| 2090 | 0.89% | 0.28% |
| 2089 | 0.94% | 0.29% |
| 2088 | 0.95% | 0.29% |
| 2087 | 0.97% | 0.29% |
| 2086 | 0.97% | 0.32% |
| 2085 | 1% | 0.32% |
| 2084 | 1.02% | 0.34% |
| 2083 | 1.06% | 0.34% |
| 2082 | 1.04% | 0.35% |
| 2081 | 1.08% | 0.37% |
| 2080 | 1.09% | 0.39% |
| 2079 | 1.13% | 0.41% |
| 2078 | 1.13% | 0.4% |
| 2077 | 1.14% | 0.42% |
| 2076 | 1.2% | 0.43% |
| 2075 | 1.2% | 0.44% |
| 2074 | 1.25% | 0.45% |
| 2073 | 1.27% | 0.45% |
| 2072 | 1.29% | 0.46% |
| 2071 | 1.31% | 0.47% |
| 2070 | 1.36% | 0.46% |
| 2069 | 1.36% | 0.48% |
| 2068 | 1.37% | 0.48% |
| 2067 | 1.42% | 0.5% |
| 2066 | 1.43% | 0.5% |
| 2065 | 1.45% | 0.49% |
| 2064 | 1.48% | 0.49% |
| 2063 | 1.53% | 0.5% |
| 2062 | 1.52% | 0.5% |
| 2061 | 1.53% | 0.53% |
| 2060 | 1.55% | 0.53% |
| 2059 | 1.56% | 0.54% |
| 2058 | 1.58% | 0.58% |
| 2057 | 1.6% | 0.59% |
| 2056 | 1.62% | 0.61% |
| 2055 | 1.67% | 0.65% |
| 2054 | 1.69% | 0.68% |
| 2053 | 1.72% | 0.71% |
| 2052 | 1.75% | 0.75% |
| 2051 | 1.77% | 0.77% |
| 2050 | 1.79% | 0.83% |
| 2049 | 1.83% | 0.86% |
| 2048 | 1.88% | 0.9% |
| 2047 | 1.9% | 0.94% |
| 2046 | 1.93% | 0.98% |
| 2045 | 1.95% | 1% |
| 2044 | 2.02% | 1.01% |
| 2043 | 2.04% | 1.04% |
| 2042 | 2.1% | 1.05% |
| 2041 | 2.1% | 1.05% |
| 2040 | 2.13% | 1.05% |
| 2039 | 2.16% | 1.04% |
| 2038 | 2.18% | 1.04% |
| 2037 | 2.21% | 1.02% |
| 2036 | 2.23% | 1% |
| 2035 | 2.27% | 1% |
| 2034 | 2.31% | 0.98% |
| 2033 | 2.32% | 0.97% |
| 2032 | 2.35% | 0.95% |
| 2031 | 2.33% | 0.97% |
| 2030 | 2.33% | 0.99% |
| 2029 | 2.34% | 1.02% |
| 2028 | 2.36% | 1.06% |
| 2027 | 2.35% | 1.1% |
| 2026 | 2.38% | 1.16% |
| 2025 | 2.39% | 1.25% |
| 2024 | 2.43% | 1.25% |
| 2023 | 2.45% | 1.38% |
| 2022 | 2.43% | 1.48% |
| 2021 | 2.42% | 1.7% |
| 2020 | 2.42% | 1.82% |
| 2019 | 2.44% | 1.85% |
| 2018 | 2.47% | 1.88% |
| 2017 | 2.46% | 1.94% |
| 2016 | 2.45% | 2.05% |
| 2015 | 2.45% | 2.15% |
| 2014 | 2.45% | 2.21% |
| 2013 | 2.46% | 2.09% |
| 2012 | 2.84% | 1.92% |
| 2011 | 3.3% | 1.74% |
| 2010 | 4.23% | 1.77% |
| 2009 | 4.08% | 1.81% |
| 2008 | 3.34% | 1.59% |
| 2007 | 3.73% | 1.35% |
| 2006 | 3.81% | 1.21% |
| 2005 | 3.67% | 1.12% |
| 2004 | 3.48% | 1.13% |
| 2003 | 2.83% | 1.28% |
| 2002 | 2.39% | 1.29% |
| 2001 | 3.85% | 1.23% |
| 2000 | 3.91% | 1.34% |
| 1999 | 2.74% | 1.42% |
| 1998 | 2.22% | 1.4% |
| 1997 | 2.16% | 1.43% |
| 1996 | 2.81% | 1.55% |
| 1995 | 2.85% | 1.62% |
| 1994 | 3.01% | 1.12% |
| 1993 | 3% | -0.12% |
| 1992 | 2.87% | 0.11% |
| 1991 | 2.88% | 3.17% |
| 1990 | 2.9% | -1.2% |
| 1989 | 2.93% | 2.31% |
| 1988 | 2.94% | 2.65% |
| 1987 | 2.96% | 2.63% |
| 1986 | 2.98% | 2.57% |
| 1985 | 2.99% | 2.52% |
| 1984 | 2.52% | 2.47% |
| 1983 | 2.09% | 2.45% |
| 1982 | 2.18% | 2.44% |
| 1981 | 2.23% | 2.44% |
| 1980 | 2.26% | 2.45% |
| 1979 | 2.31% | 2.54% |
| 1978 | 2.37% | 2.74% |
| 1977 | 2.42% | 2.89% |
| 1976 | 2.47% | 2.93% |
| 1975 | 2.83% | 2.92% |
| 1974 | 3.17% | 2.88% |
| 1973 | 3.18% | 2.83% |
| 1972 | 3.15% | 2.76% |
| 1971 | 3.11% | 2.69% |
| 1970 | 3.06% | 2.61% |
| 1969 | 3.01% | 2.63% |
| 1968 | 2.96% | 2.75% |
| 1967 | 2.91% | 2.86% |
| 1966 | 2.87% | 2.88% |
| 1965 | 2.81% | 2.81% |
| 1964 | 2.76% | 2.69% |
| 1963 | 2.7% | 2.87% |
| 1962 | 2.65% | 3.19% |
| 1961 | 2.62% | 3.24% |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/congo/mongolia | CC BY
In 2025, the population of the Congo grew by 2.39%, while Mongolia's population grew by 1.25%.
Live population counters
|
Congo
|
Mongolia
|
|
|---|---|---|
| Current population |
6718789
|
3630744
|
| Population rank | 109/197 | 132/197 |
| Percent of world population | 0.08% | 0.04% |
| One net population change |
3.48 minutes
|
11.9 minutes
|
| One birth every |
2.73 minutes
|
8.82 minutes
|
| One death every |
13.3 minutes
|
27.1 minutes
|
| Daily growth/decline | +415 | +121 |
| Annual growth/decline | +151,476 | +44,190 |
| Annual growth/decline rate | +2.39% | +1.25% |
| Population growth rate rank | 31/197 | 81/197 |
| One migration net change every |
2.93 hours
|
4.63 days
|
| Annual migration change | -2,999 | +79 |
| Net migration rank | 108/196 | 74/196 |
| Foreign-born residents | 385,589 | 22,589 |
| Foreign-born residents rank | 91/195 | 169/195 |
| Foreign-born share of population | 6.1% | 0.6% |
| Foreign-born share rank | 86/195 | 171/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Congo
|
Mongolia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -2,999 | - | 79 |
| 2024 | 153,150 | -2,491 | 40,182 | 83 |
| 2023 | 150,486 | -995 | 46,995 | 0 |
| 2022 | 147,076 | -995 | 47,730 | 0 |
| 2021 | 144,241 | -4,476 | 52,109 | 0 |
| 2020 | 143,492 | -4,472 | 60,888 | 0 |
| 2019 | 139,513 | -6,268 | 61,433 | 8,660 |
| 2018 | 142,704 | -8,856 | 60,635 | 7,811 |
| 2017 | 141,973 | -11,601 | 57,940 | 6,831 |
| 2016 | 141,358 | -14,783 | 62,086 | 5,633 |
| 2015 | 141,539 | -18,207 | 64,473 | 4,307 |
| 2014 | 141,674 | -21,598 | 66,078 | 2,921 |
| 2013 | 142,080 | -24,605 | 62,618 | 1,505 |
| 2012 | 142,464 | -26,643 | 55,942 | 351 |
| 2011 | 140,371 | 5,262 | 50,711 | -505 |
| 2010 | 136,908 | 12,318 | 44,914 | -6,444 |
| 2009 | 126,904 | 86,014 | 48,876 | -15,007 |
| 2008 | 120,711 | 1,774 | 45,843 | -17,277 |
| 2007 | 112,459 | 31,239 | 39,636 | -15,220 |
| 2006 | 106,876 | 35,475 | 33,609 | -11,934 |
| 2005 | 101,344 | 38,337 | 29,290 | -8,924 |
| 2004 | 96,577 | 25,412 | 28,418 | -8,148 |
| 2003 | 91,326 | 26,280 | 28,827 | -7,986 |
| 2002 | 88,497 | -16,140 | 30,439 | -8,934 |
| 2001 | 84,876 | -764 | 32,052 | -10,244 |
| 2000 | 78,491 | 79,780 | 32,753 | -11,241 |
| 1999 | 76,204 | 2,470 | 32,283 | -13,481 |
| 1998 | 72,450 | 10,500 | 31,757 | -10,315 |
| 1997 | 66,149 | -20,704 | 32,403 | -9,132 |
| 1996 | 75,628 | 1,085 | 33,741 | -8,626 |
| 1995 | 74,189 | 3,747 | 34,473 | -7,346 |
| 1994 | 72,857 | 1,850 | 34,711 | -5,449 |
| 1993 | 71,119 | 10,218 | 36,924 | -5,429 |
| 1992 | 69,973 | 0 | 42,437 | -8,404 |
| 1991 | 68,534 | 1,966 | 47,884 | -11,427 |
| 1990 | 67,241 | -395 | 49,443 | -11,881 |
| 1989 | 65,944 | 1,214 | 51,420 | -9,757 |
| 1988 | 64,629 | 22 | 51,588 | 2,459 |
| 1987 | 63,183 | 525 | 51,140 | 1,855 |
| 1986 | 61,669 | 367 | 50,329 | 354 |
| 1985 | 60,359 | 182 | 49,944 | -1,719 |
| 1984 | 59,028 | 0 | 48,562 | -2,452 |
| 1983 | 58,120 | -18,720 | 46,919 | -2,522 |
| 1982 | 57,036 | -16,664 | 45,179 | -2,132 |
| 1981 | 56,603 | -15,630 | 43,588 | -1,615 |
| 1980 | 55,550 | -14,972 | 42,343 | -1,268 |
| 1979 | 54,723 | -14,378 | 41,568 | -1,296 |
| 1978 | 53,885 | -13,356 | 40,276 | 1,833 |
| 1977 | 53,179 | -12,673 | 38,995 | 5,354 |
| 1976 | 52,148 | -11,971 | 37,670 | 6,577 |
| 1975 | 51,155 | -10,944 | 36,490 | 6,556 |
| 1974 | 49,563 | -312 | 35,297 | 6,153 |
| 1973 | 48,017 | -22 | 33,993 | 5,647 |
| 1972 | 46,427 | 0 | 32,727 | 4,999 |
| 1971 | 44,431 | 0 | 31,536 | 4,238 |
| 1970 | 42,374 | 0 | 30,558 | 3,263 |
| 1969 | 40,532 | 0 | 29,781 | 2,366 |
| 1968 | 38,786 | 0 | 29,017 | 3,535 |
| 1967 | 36,866 | 0 | 28,178 | 5,139 |
| 1966 | 35,452 | 0 | 27,338 | 5,837 |
| 1965 | 33,865 | 0 | 26,364 | 5,610 |
| 1964 | 32,270 | 0 | 25,317 | 4,599 |
| 1963 | 30,832 | 0 | 24,142 | 3,687 |
| 1962 | 29,342 | 0 | 22,960 | 9,049 |
| 1961 | 28,220 | 0 | 21,873 | 10,440 |
| 1960 | 27,094 | 0 | 20,726 | 10,334 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/congo/mongolia | CC BY
Over the last 10 years, 95.2% of the population change in the Congo is from natural causes (a gain of 1,445,532 people) and 4.82% is from migration (a loss of 73,144 people). In Mongolia 94.3% is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 people).
As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 22,589 people or 0.6% in Mongolia.
Biggest cities by population
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Population differences between the Congo and Mongolia
|
Congo
|
Mongolia
|
|
|---|---|---|
| Life expectancy | 66.4 years | 72.5 years |
| Average age | 24.3 years | 29.9 years |
| Median age | 19.6 years | 27.9 years |
| Male:Female ratio | 50:50 | 49.8:50.2 |
| Fertility rate | 4.11 births per woman | 2.5 births per woman |
| Population density | 50.3 ppl/mi² | 6 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/congo/mongolia | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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